a.k.a "How 'The Last Mabelcorn' Should Have Ended"

Rarity: So you need some unicorn hair to make a shield around your uncle's shack to protect your family from some twisted triangle demon? Say no more, darling, I'd be happy to help!
Mabel: But ... Celestabellebethabelle said -
Rarity: Oh, nevermind her; your wanting your family's safety is 'pure of heart' enough for me.

Rarity and MLP: FIM (c) Hasbro
Mabel Pines and Gravity Falls (c) Disney and Alex Hirsch